... roasting painting. B) Core: Normal polyethylene ,fireproof polyethylene C) Back: Aluminum sheet coated with polyester resin painting D) Surface finish: Treated ... tunnels and subway interiors. D) Ceilings, eaves, balconies, partitions and interior decorations. E) Telephone booths, vehicle bodies, and industrial usages. F ... , 3mm panel-7000M2, 4mm panel-6000M2, 5mm panel-5000M2. Aluminum Composite Panels